Features
- Analog Video Encoder
- Software selectable control allows for single-ended, differential, and pseudo differential CVBS
- 10-bit DAC
- Integrated PLL
- Internal test pattern generator
- Independent amplitude adjustment for luminance and chrominance
- MIPI Input
- MIPI CSI2 1.1 compliant unidirectional output format
- YUV 422 input format, 2 lane
- DVP / MIPI pin sharing for minimum pin count
- Supports 720p 30fps, 720p 60fps, 1080p 30fps, and wide resolution for e-mirror application
- Digital Inputs
- 10/8-bit Digital Video Port parallel interface
- 10/8-bit Pseudo BT.656 parallel interface
- Supports 720p 30fps, 720p 60fps, 1080p 30fps, and wide resolution for e-mirror application
- Miscellaneous
- Low power consumption
- Power Save and Power Down modes
- Two-wire control interface
- Single 27MHz crystal for all operations
- 3.3V or 1.8V selectable I/O
- 32 Ld SQFN (5mm x 5mm QFN with step cut leads)
- AEC-Q100 qualified
Description
The RAA279971 is a high-definition analog video encoder that is designed for automotive applications. It accepts digital video input using a 2-lane MIPI-CSI2 or a DVP/Pseudo BT.656 parallel interface and supports multiple high-definition resolutions up to 720p/60 or 1080p/30. The RAA279971 uses a built-in 10-bit video DAC that encodes the incoming video stream into an analog composite format that is transmitted to an RAA279972 decoder as a single-ended or differential signal over up to 30 meters of either coax or STP cable.
Parameters
| Attributes | Value |
|---|---|
| Channels per device (#) | 1 |
| Inputs (#) | 1 |
| Output Format | 720p/60, 1080p/30 (max) |
| Analog Output | Yes (HD Composite Analog) |
| Comb Filter | 2D |
| Interface | MIPI-CSI2, BT.656, DVP, MIPI-CSI2, BT.6565, DVP |
| Video DAC | Yes |
| Qualification Level | Automotive |
Package Options
| Pkg. Type | Pkg. Dimensions (mm) | Lead Count (#) | Pitch (mm) |
|---|---|---|---|
| SCQFN | 5.0 x 5.0 x 0.90 | 32 | 0.5 |
Application Block Diagrams
 | Low-End Camera Monitoring System A cost-effective, low-end camera monitoring system optimizes brightness with an MCU optical sensor and video processor. |
 | Cost-Effective Digital Cluster with 4-channel AHL and Surround View Digital clusters boost safety by centralizing info and reducing costs with AHL and efficient PMICs. |
 | Automotive Camera System with AHL Control Channel Automotive AHL camera system with single-cable video transmission and control, plus I2C blower control. |
 | Video Output Expansion for Surround View & AR HUD Integrated video output and AI for surround view and AR HUD with reduced cost and complexity. |
 | Parking Assistance System with AHL Camera Automotive parking camera system with HD analog link cuts cabling cost and maintains zero latency. |
Additional Applications
- Automotive backup camera displays
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Support Communities
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RAA279974
We would like to use this chip to decode ADHD video. According to the datasheet The RAA279974 also supports a single traditional NTSC standard definition input. Can it also sometimes handle standard definition (SD) PAL signals?
Jun 10, 2024
Knowledge Base
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AHL 能否支持通过相同电缆供电（如 SerDes）？
不，模拟信号噪音过多，但我们在考虑如何在新世代的 AHL 中实现相同电缆的供电。
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能否使用 AHL 控制通道从 ECU 初始化照相机？
可以，AHL 的控制通道在芯片启动后立即开始工作。控制通道独立于视频运行，因此不需要主动为控制通道工作而传输
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What type of cables and connectors must be used with AHL transmission?
AHL can be used with UTP, low-cost STP, and coaxial cables. The same traditional connectors that are used with NTSC/PAL analog video can also be used with AHL.
Jul 13, 2021
Support Communities
